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Protactinium
Protactinium

Rubidium
Rubidium



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Protactinium
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Rubidium

Protactinium and Rubidium Periodic Table

Periodic Table

Symbol

Pa
Rb

Group Number

31
0 17
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Period Number

75
2 7
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Block

f block
s block

Element Family

Actinide
Alkali

CAS Number

74401337440177
7429905 54386242
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Space Group Name

I4/mmm
Im_ 3m

Space Group Number

139.00229.00
11 276
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